Dear Aspirants, Our IBPS Guide team is providing new series of Quantitative Aptitude Questions for SBI Clerk Prelims 2020 so the aspirants can practice it on a daily basis. These questions are framed by our skilled experts after understanding your needs thoroughly. Aspirants can practice these new series questions daily to familiarize with the exact exam pattern and make your preparation effective.
Wrong number series
Directions (01-05): Find out the wrong number in the following number series.
1) 21, 21, 23, 29, 41, 52
A.41
B.52
C.23
D.29
E.21
2) 11, 18, 48, 180, 910, 5448
A.18
B.180
C.910
D.5448
E.48
3) 43, 33, 51, 133, 508, 2505
A.133
B.33
C.508
D.2505
E.51
4) 51, 56, 68, 100, 185, 434
A.100
B.434
C.68
D.56
E.185
5) 1, 730, 779, 904, 913, 920
A.913
B.920
C.730
D.779
E.904
Time, speed and distance
6) A bus covers 240 km at the speed of 60 kmph and the same bus covers 450 km at the speed of 50 kmph. Find the approximate average speed of the whole journey?
A.48 kmph
B.53 kmph
C.58 kmph
D.63 kmph
E.68 kmph
Boat and stream
7) A boat takes two hours more to travel upstream than travel the same distance in downstream. If the distance travelled by the boat is 120 km and the ratio of the speed of stream to boat in still water is 5: 1, then what is the speed of the boat in still water?
A.20 kmph
B.25 kmph
C.30 kmph
D.35 kmph
E.None of these
SI AND CI
8) Difference between the simple interest and compound interest for 2 years at 15% per annum is Rs.123.75. Find the sum?
A.Rs.4500
B.Rs.5000
C.Rs.5500
D.Rs.6000
E.None of these
Partnership
9) A and B invests in the ratio of 2: 3 and the investment period of x months and y months respectively. If the total profit of the business is 3500 and B’s share is Rs.1500, then what is the ratio of x: y?
A.2: 1
B.3: 4
C.4: 3
D.1: 2
E.None of these
Time and work
10) Arul, Banu and Chinu alone can complete the work in 20 days, 30 days and 12 days respectively. In how many days Arul, Banu and Chinu together can complete half of the work?
A.4 days
B.6 days
C.3 days
D.5 days
E.None of these
Answers :
1) Answer: B
21 + 12 – 1 = 21
21 + 22 – 2 = 23
23 + 32 – 3 = 29
29 + 42 – 4 = 41
41 + 52 – 5 = 61
The wrong term is 52
2) Answer: B
(11 – 2) * 2 = 18
(18 – 2) * 3 = 48
(48 – 2) * 4 = 184
(184 – 2) * 5 = 910
(910 – 2) * 6 = 5448
The wrong term is 180
3) Answer: C
43 * 1 – 10 = 33
33 * 2 – 15 = 51
51 * 3 – 20 = 133
133 * 4 – 25 = 507
507 * 5 – 30 = 2505
The wrong term is 508
4) Answer: A
51 + 31Â + 2 = 56
56 + 32Â + 3 = 68
68 + 33Â + 4 =Â 99
99 + 34Â + 5 = 185
185 + 35Â + 6 = 434
The wrong term is 100
5) Answer: B
1 + 93Â = 730
730 + 72Â = 779
779 + 53Â = 904
904 + 32Â = 913
913 + 13Â =Â 914
The wrong term is 920
6) Answer: B
Distance = Speed * time
Total time = 240/60 + 450/50 = 4 + 9 = 13 hours
Average speed = (240 + 450)/13
= 53 kmph
7) Answer: B
Distance = speed * time
120/4x – 120/6x = 2
(30 – 20)/x = 2
10 = 2x
= > x = 5
Speed of the boat in still water = 5 * 5 = 25 kmph
8) Answer: C
Difference = P * R * R/100 * 100
123.75 = P * 15 * 15/100 * 100
P = Rs.5500
9) Answer: A
A’s profit = 3500 – 1500 = 2000
(2 * x)/(3 * y) = 2000/1500
2x/3y = 4/3
x/y = 2/1
10) Answer: C
Arul + Banu + Chinu together can complete the whole work = 1/20 + 1/30 + 1/12
= (3 + 2 + 5)/60
= 1/6
Half of the work completed in 3 days
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